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313242313 = 2313619231
BaseRepresentation
bin10010101010111…
…011001011001001
3210211102100200011
4102222323023021
51120142223223
651025511521
710522341616
oct2252731311
9724370604
10313242313
111508a964a
1288aa25a1
134cb863a7
142d85d50d
151c77780d
hex12abb2c9

313242313 has 4 divisors (see below), whose sum is σ = 326861568. Its totient is φ = 299623060.

The previous prime is 313242301. The next prime is 313242317.

313242313 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313242313 - 213 = 313234121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313242317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809593 + ... + 6809638.

It is an arithmetic number, because the mean of its divisors is an integer number (81715392).

Almost surely, 2313242313 is an apocalyptic number.

It is an amenable number.

313242313 is a deficient number, since it is larger than the sum of its proper divisors (13619255).

313242313 is a wasteful number, since it uses less digits than its factorization.

313242313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619254.

The product of its digits is 1296, while the sum is 22.

The square root of 313242313 is about 17698.6528583392. The cubic root of 313242313 is about 679.1412985887.

The spelling of 313242313 in words is "three hundred thirteen million, two hundred forty-two thousand, three hundred thirteen".

Divisors: 1 23 13619231 313242313